Bismuth-211
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Bismuth (83Bi) has 41 known isotopes, ranging from 184Bi to 224Bi. Bismuth has no
stable A stable is a building in which livestock, especially horses, are kept. It most commonly means a building that is divided into separate stalls for individual animals and livestock. There are many different types of stables in use today; the ...
isotope Isotopes are two or more types of atoms that have the same atomic number (number of protons in their nuclei) and position in the periodic table (and hence belong to the same chemical element), and that differ in nucleon numbers (mass numbers) ...
s, but does have one very long-lived isotope; thus, the
standard atomic weight The standard atomic weight of a chemical element (symbol ''A''r°(E) for element "E") is the weighted arithmetic mean of the relative isotopic masses of all isotopes of that element weighted by each isotope's abundance on Earth. For example, is ...
can be given as . Although bismuth-209 is now known to be unstable, it has classically been considered to be a stable isotope because it has a
half-life Half-life (symbol ) is the time required for a quantity (of substance) to reduce to half of its initial value. The term is commonly used in nuclear physics to describe how quickly unstable atoms undergo radioactive decay or how long stable ato ...
of approximately 2.01×1019 years, which is more than a billion times the age of the universe. Besides 209Bi, the most stable bismuth radioisotopes are 210mBi with a half-life of 3.04 million years, 208Bi with a half-life of 368,000 years and 207Bi, with a half-life of 32.9 years, none of which occurs in nature. All other isotopes have half-lives under 1 year, most under a day. Of naturally occurring radioisotopes, the most stable is
radiogenic A radiogenic nuclide is a nuclide that is produced by a process of radioactive decay. It may itself be radioactive (a radionuclide) or stable (a stable nuclide). Radiogenic nuclides (more commonly referred to as radiogenic isotopes) form some of ...
210Bi with a half-life of 5.012 days. 210mBi, like 180mTa, 242mAm and some holmium isomers, is unusual for being a nuclear isomer with a half-life multiple orders of magnitude longer than that of the ground state. Commercially, the isotope bismuth-213 can be produced by bombarding
radium Radium is a chemical element with the symbol Ra and atomic number 88. It is the sixth element in group 2 of the periodic table, also known as the alkaline earth metals. Pure radium is silvery-white, but it readily reacts with nitrogen (rather t ...
with
bremsstrahlung ''Bremsstrahlung'' (), from "to brake" and "radiation"; i.e., "braking radiation" or "deceleration radiation", is electromagnetic radiation produced by the deceleration of a charged particle when deflected by another charged particle, typicall ...
photons from a linear particle accelerator. In 1997, an antibody conjugate with 213Bi (which has a 45-minute half-life, and decays with the emission of an alpha particle) was used to treat patients with leukemia. This isotope has also been tried in targeted alpha therapy (TAT) program to treat a variety of cancers. Bismuth-213 is also found in the decay chain of uranium-233, which is the fuel bred by
thorium reactor The thorium fuel cycle is a nuclear fuel cycle that uses an isotope of thorium, , as the fertile material. In the reactor, is transmuted into the fissile artificial uranium isotope which is the nuclear fuel. Unlike natural uranium, natural tho ...
s.


List of isotopes

, - , 184Bi , , style="text-align:right" , 83 , style="text-align:right" , 101 , 184.00112(14)# , 6.6(15) ms , , , 3+# , , , - , style="text-indent:1em" , 184mBi , , colspan="3" style="text-indent:2em" , 150(100)# keV , 13(2) ms , , , 10−# , , , - , rowspan=2, 185Bi , rowspan=2, , rowspan=2 style="text-align:right" , 83 , rowspan=2 style="text-align:right" , 102 , rowspan=2, 184.99763(6)# , rowspan=2, 2# ms , p , 184Pb , rowspan=2, 9/2−# , rowspan=2, , rowspan=2, , - , α (rare) , 181Tl , - , rowspan=2 style="text-indent:1em" , 185mBi , rowspan=2, , rowspan=2 colspan="3" style="text-indent:2em" , 70(50)# keV , rowspan=2, 49(7) μs , α , 181Tl , rowspan=2, 1/2+ , rowspan=2, , rowspan=2, , - , p , 184Pb , - , rowspan=2, 186Bi , rowspan=2, , rowspan=2 style="text-align:right" , 83 , rowspan=2 style="text-align:right" , 103 , rowspan=2, 185.99660(8) , rowspan=2, 14.8(7) ms , α , 182Tl , rowspan=2, (3+) , rowspan=2, , rowspan=2, , - , β+ (rare) , 186Pb , - , rowspan=2 style="text-indent:1em" , 186mBi , rowspan=2, , rowspan=2 colspan="3" style="text-indent:2em" , 270(140)# keV , rowspan=2, 9.8(4) ms , α , 182Tl , rowspan=2, (10−) , rowspan=2, , rowspan=2, , - , β+ , 186Pb , - , rowspan=2, 187Bi , rowspan=2, , rowspan=2 style="text-align:right" , 83 , rowspan=2 style="text-align:right" , 104 , rowspan=2, 186.993158(16) , rowspan=2, 32(3) ms , α (50%) , 183Tl , rowspan=2, 9/2−# , rowspan=2, , rowspan=2, , - , β+ (50%) , 187Pb , - , style="text-indent:1em" , 187m1Bi , , colspan="3" style="text-indent:2em" , 101(20) keV , 320(70) μs , , , 1/2+# , , , - , style="text-indent:1em" , 187m2Bi , , colspan="3" style="text-indent:2em" , 252(1) keV , 7(5) μs , , , (13/2+) , , , - , rowspan=2, 188Bi , rowspan=2, , rowspan=2 style="text-align:right" , 83 , rowspan=2 style="text-align:right" , 105 , rowspan=2, 187.99227(5) , rowspan=2, 44(3) ms , α , 184Tl , rowspan=2, 3+# , rowspan=2, , rowspan=2, , - , β+ (rare) , 188Pb , - , rowspan=2 style="text-indent:1em" , 188mBi , rowspan=2, , rowspan=2 colspan="3" style="text-indent:2em" , 210(140)# keV , rowspan=2, 220(40) ms , α , 184Tl , rowspan=2, (10−) , rowspan=2, , rowspan=2, , - , β+ (rare) , 188Pb , - , rowspan=2, 189Bi , rowspan=2, , rowspan=2 style="text-align:right" , 83 , rowspan=2 style="text-align:right" , 106 , rowspan=2, 188.98920(6) , rowspan=2, 674(11) ms , α (51%) , 185Tl , rowspan=2, (9/2−) , rowspan=2, , rowspan=2, , - , β+ (49%) , 189Pb , - , style="text-indent:1em" , 189m1Bi , , colspan="3" style="text-indent:2em" , 181(6) keV , 5.0(1) ms , , , (1/2+) , , , - , style="text-indent:1em" , 189m2Bi , , colspan="3" style="text-indent:2em" , 357(1) keV , 880(50) ns , , , (13/2+) , , , - , rowspan=2, 190Bi , rowspan=2, , rowspan=2 style="text-align:right" , 83 , rowspan=2 style="text-align:right" , 107 , rowspan=2, 189.9883(2) , rowspan=2, 6.3(1) s , α (77%) , 186Tl , rowspan=2, (3+) , rowspan=2, , rowspan=2, , - , β+ (30%) , 190Pb , - , rowspan=2 style="text-indent:1em" , 190m1Bi , rowspan=2, , rowspan=2 colspan="3" style="text-indent:2em" , 420(180) keV , rowspan=2, 6.2(1) s , α (70%) , 186Tl , rowspan=2, (10−) , rowspan=2, , rowspan=2, , - , β+ (23%) , 190Pb , - , style="text-indent:1em" , 190m2Bi , , colspan="3" style="text-indent:2em" , 690(180) keV , >500(100) ns , , , 7+# , , , - , rowspan=2, 191Bi , rowspan=2, , rowspan=2 style="text-align:right" , 83 , rowspan=2 style="text-align:right" , 108 , rowspan=2, 190.985786(8) , rowspan=2, 12.3(3) s , α (60%) , 187Tl , rowspan=2, (9/2−) , rowspan=2, , rowspan=2, , - , β+ (40%) , 191Pb , - , rowspan=2 style="text-indent:1em" , 191mBi , rowspan=2, , rowspan=2 colspan="3" style="text-indent:2em" , 240(4) keV , rowspan=2, 124(5) ms , α (75%) , 187Tl , rowspan=2, (1/2+) , rowspan=2, , rowspan=2, , - , β+ (25%) , 191Pb , - , rowspan=2, 192Bi , rowspan=2, , rowspan=2 style="text-align:right" , 83 , rowspan=2 style="text-align:right" , 109 , rowspan=2, 191.98546(4) , rowspan=2, 34.6(9) s , β+ (82%) , 192Pb , rowspan=2, (3+) , rowspan=2, , rowspan=2, , - , α (18%) , 188Tl , - , rowspan=2 style="text-indent:1em" , 192mBi , rowspan=2, , rowspan=2 colspan="3" style="text-indent:2em" , 150(30) keV , rowspan=2, 39.6(4) s , β+ (90.8%) , 192Pb , rowspan=2, (10−) , rowspan=2, , rowspan=2, , - , α (9.2%) , 188Tl , - , rowspan=2, 193Bi , rowspan=2, , rowspan=2 style="text-align:right" , 83 , rowspan=2 style="text-align:right" , 110 , rowspan=2, 192.98296(1) , rowspan=2, 67(3) s , β+ (95%) , 193Pb , rowspan=2, (9/2−) , rowspan=2, , rowspan=2, , - , α (5%) , 189Tl , - , rowspan=2 style="text-indent:1em" , 193mBi , rowspan=2, , rowspan=2 colspan="3" style="text-indent:2em" , 308(7) keV , rowspan=2, 3.2(6) s , α (90%) , 189Tl , rowspan=2, (1/2+) , rowspan=2, , rowspan=2, , - , β+ (10%) , 193Pb , - , rowspan=2, 194Bi , rowspan=2, , rowspan=2 style="text-align:right" , 83 , rowspan=2 style="text-align:right" , 111 , rowspan=2, 193.98283(5) , rowspan=2, 95(3) s , β+ (99.54%) , 194Pb , rowspan=2, (3+) , rowspan=2, , rowspan=2, , - , α (.46%) , 190Tl , - , rowspan=2 style="text-indent:1em" , 194m1Bi , rowspan=2, , rowspan=2 colspan="3" style="text-indent:2em" , 110(70) keV , rowspan=2, 125(2) s , β+ , 194Pb , rowspan=2, (6+, 7+) , rowspan=2, , rowspan=2, , - , α (rare) , 190Tl , - , style="text-indent:1em" , 194m2Bi , , colspan="3" style="text-indent:2em" , 230(90)# keV , 115(4) s , , , (10−) , , , - , rowspan=2, 195Bi , rowspan=2, , rowspan=2 style="text-align:right" , 83 , rowspan=2 style="text-align:right" , 112 , rowspan=2, 194.980651(6) , rowspan=2, 183(4) s , β+ (99.97%) , 195Pb , rowspan=2, (9/2−) , rowspan=2, , rowspan=2, , - , α (.03%) , 191Tl , - , rowspan=2 style="text-indent:1em" , 195m1Bi , rowspan=2, , rowspan=2 colspan="3" style="text-indent:2em" , 399(6) keV , rowspan=2, 87(1) s , β+ (67%) , 195Pb , rowspan=2, (1/2+) , rowspan=2, , rowspan=2, , - , α (33%) , 191Tl , - , style="text-indent:1em" , 195m2Bi , , colspan="3" style="text-indent:2em" , 2311.4+X keV , 750(50) ns , , , (29/2−) , , , - , rowspan=2, 196Bi , rowspan=2, , rowspan=2 style="text-align:right" , 83 , rowspan=2 style="text-align:right" , 113 , rowspan=2, 195.980667(26) , rowspan=2, 5.1(2) min , β+ (99.99%) , 196Pb , rowspan=2, (3+) , rowspan=2, , rowspan=2, , - , α (.00115%) , 192Tl , - , rowspan=2 style="text-indent:1em" , 196m1Bi , rowspan=2, , rowspan=2 colspan="3" style="text-indent:2em" , 166.6(30) keV , rowspan=2, 0.6(5) s , IT , 196Bi , rowspan=2, (7+) , rowspan=2, , rowspan=2, , - , β+ , 196Pb , - , style="text-indent:1em" , 196m2Bi , , colspan="3" style="text-indent:2em" , 270(3) keV , 4.00(5) min , , , (10−) , , , - , rowspan=2, 197Bi , rowspan=2, , rowspan=2 style="text-align:right" , 83 , rowspan=2 style="text-align:right" , 114 , rowspan=2, 196.978864(9) , rowspan=2, 9.33(50) min , β+ (99.99%) , 197Pb , rowspan=2, (9/2−) , rowspan=2, , rowspan=2, , - , α (10−4%) , 193Tl , - , rowspan=3 style="text-indent:1em" , 197m1Bi , rowspan=3, , rowspan=3 colspan="3" style="text-indent:2em" , 690(110) keV , rowspan=3, 5.04(16) min , α (55%) , 193Tl , rowspan=3, (1/2+) , rowspan=3, , rowspan=3, , - , β+ (45%) , 197Pb , - , IT (.3%) , 197Bi , - , style="text-indent:1em" , 197m2Bi , , colspan="3" style="text-indent:2em" , 2129.3(4) keV , 204(18) ns , , , (23/2−) , , , - , style="text-indent:1em" , 197m3Bi , , colspan="3" style="text-indent:2em" , 2360.4(5)+X keV , 263(13) ns , , , (29/2−) , , , - , style="text-indent:1em" , 197m4Bi , , colspan="3" style="text-indent:2em" , 2383.1(7)+X keV , 253(39) ns , , , (29/2−) , , , - , style="text-indent:1em" , 197m5Bi , , colspan="3" style="text-indent:2em" , 2929.5(5) keV , 209(30) ns , , , (31/2−) , , , - , 198Bi , , style="text-align:right" , 83 , style="text-align:right" , 115 , 197.97921(3) , 10.3(3) min , β+ , 198Pb , (2+, 3+) , , , - , style="text-indent:1em" , 198m1Bi , , colspan="3" style="text-indent:2em" , 280(40) keV , 11.6(3) min , β+ , 198Pb , (7+) , , , - , style="text-indent:1em" , 198m2Bi , , colspan="3" style="text-indent:2em" , 530(40) keV , 7.7(5) s , , , 10− , , , - , 199Bi , , style="text-align:right" , 83 , style="text-align:right" , 116 , 198.977672(13) , 27(1) min , β+ , 199Pb , 9/2− , , , - , rowspan=3 style="text-indent:1em" , 199m1Bi , rowspan=3, , rowspan=3 colspan="3" style="text-indent:2em" , 667(4) keV , rowspan=3, 24.70(15) min , β+ (98%) , 199Pb , rowspan=3, (1/2+) , rowspan=3, , rowspan=3, , - , IT (2%) , 199Bi , - , α (.01%) , 195Tl , - , style="text-indent:1em" , 199m2Bi , , colspan="3" style="text-indent:2em" , 1947(25) keV , 0.10(3) μs , , , (25/2+) , , , - , style="text-indent:1em" , 199m3Bi , , colspan="3" style="text-indent:2em" , ~2547.0 keV , 168(13) ns , , , 29/2− , , , - , 200Bi , , style="text-align:right" , 83 , style="text-align:right" , 117 , 199.978132(26) , 36.4(5) min , β+ , 200Pb , 7+ , , , - , rowspan=2 style="text-indent:1em" , 200m1Bi , rowspan=2, , rowspan=2 colspan="3" style="text-indent:2em" , 100(70)# keV , rowspan=2, 31(2) min , EC (90%) , 200Pb , rowspan=2, (2+) , rowspan=2, , rowspan=2, , - , IT (10%) , 200Bi , - , style="text-indent:1em" , 200m2Bi , , colspan="3" style="text-indent:2em" , 428.20(10) keV , 400(50) ms , , , (10−) , , , - , rowspan=2, 201Bi , rowspan=2, , rowspan=2 style="text-align:right" , 83 , rowspan=2 style="text-align:right" , 118 , rowspan=2, 200.977009(16) , rowspan=2, 108(3) min , β+ (99.99%) , 201Pb , rowspan=2, 9/2− , rowspan=2, , rowspan=2, , - , α (10−4%) , 197Tl , - , rowspan=3 style="text-indent:1em" , 201m1Bi , rowspan=3, , rowspan=3 colspan="3" style="text-indent:2em" , 846.34(21) keV , rowspan=3, 59.1(6) min , EC (92.9%) , 201Pb , rowspan=3, 1/2+ , rowspan=3, , rowspan=3, , - , IT (6.8%) , 201Bi , - , α (.3%) , 197Tl , - , style="text-indent:1em" , 201m2Bi , , colspan="3" style="text-indent:2em" , 1932.2+X keV , 118(28) ns , , , (25/2+) , , , - , style="text-indent:1em" , 201m3Bi , , colspan="3" style="text-indent:2em" , 1971.2+X keV , 105(75) ns , , , (27/2+) , , , - , style="text-indent:1em" , 201m4Bi , , colspan="3" style="text-indent:2em" , 2739.90(20)+X keV , 124(4) ns , , , (29/2−) , , , - , rowspan=2, 202Bi , rowspan=2, , rowspan=2 style="text-align:right" , 83 , rowspan=2 style="text-align:right" , 119 , rowspan=2, 201.977742(22) , rowspan=2, 1.72(5) h , β+ , 202Pb , rowspan=2, 5(+#) , rowspan=2, , rowspan=2, , - , α (10−5%) , 198Tl , - , style="text-indent:1em" , 202m1Bi , , colspan="3" style="text-indent:2em" , 615(7) keV , 3.04(6) μs , , , (10#)− , , , - , style="text-indent:1em" , 202m2Bi , , colspan="3" style="text-indent:2em" , 2607.1(5) keV , 310(50) ns , , , (17+) , , , - , rowspan=2, 203Bi , rowspan=2, , rowspan=2 style="text-align:right" , 83 , rowspan=2 style="text-align:right" , 120 , rowspan=2, 202.976876(23) , rowspan=2, 11.76(5) h , β+ , 203Pb , rowspan=2, 9/2− , rowspan=2, , rowspan=2, , - , α (10−5%) , 199Tl , - , style="text-indent:1em" , 203m1Bi , , colspan="3" style="text-indent:2em" , 1098.14(7) keV , 303(5) ms , IT , 203Bi , 1/2+ , , , - , style="text-indent:1em" , 203m2Bi , , colspan="3" style="text-indent:2em" , 2041.5(6) keV , 194(30) ns , , , 25/2+ , , , - , 204Bi , , style="text-align:right" , 83 , style="text-align:right" , 121 , 203.977813(28) , 11.22(10) h , β+ , 204Pb , 6+ , , , - , style="text-indent:1em" , 204m1Bi , , colspan="3" style="text-indent:2em" , 805.5(3) keV , 13.0(1) ms , IT , 204Bi , 10− , , , - , style="text-indent:1em" , 204m2Bi , , colspan="3" style="text-indent:2em" , 2833.4(11) keV , 1.07(3) ms , , , (17+) , , , - , 205Bi , , style="text-align:right" , 83 , style="text-align:right" , 122 , 204.977389(8) , 15.31(4) d , β+ , 205Pb , 9/2− , , , - , 206Bi , , style="text-align:right" , 83 , style="text-align:right" , 123 , 205.978499(8) , 6.243(3) d , β+ , 206Pb , 6(+) , , , - , style="text-indent:1em" , 206m1Bi , , colspan="3" style="text-indent:2em" , 59.897(17) keV , 7.7(2) μs , , , (4+) , , , - , style="text-indent:1em" , 206m2Bi , , colspan="3" style="text-indent:2em" , 1044.8(5) keV , 890(10) μs , , , (10−) , , , - , 207Bi , , style="text-align:right" , 83 , style="text-align:right" , 124 , 206.9784707(26) , 32.9(14) y , β+ , 207Pb , 9/2− , , , - , style="text-indent:1em" , 207mBi , , colspan="3" style="text-indent:2em" , 2101.49(16) keV , 182(6) μs , , , 21/2+ , , , - , 208Bi , , style="text-align:right" , 83 , style="text-align:right" , 125 , 207.9797422(25) , 3.68(4)×105 y , β+ , 208Pb , (5)+ , , , - , style="text-indent:1em" , 208mBi , , colspan="3" style="text-indent:2em" , 1571.1(4) keV , 2.58(4) ms , IT , 208Bi , (10)− , , , - , 209Bi
Formerly believed to be final
decay product In nuclear physics, a decay product (also known as a daughter product, daughter isotope, radio-daughter, or daughter nuclide) is the remaining nuclide left over from radioactive decay. Radioactive decay often proceeds via a sequence of steps ( ...
of 4n+1 decay chain
Primordial radioisotope, also some is radiogenic from the extinct nuclide 237Np , , style="text-align:right" , 83 , style="text-align:right" , 126 , 208.9803987(16) , 2.01(8)×1019 y
Formerly believed to be the heaviest stable nuclide , α , 205Tl , 9/2− , 1.0000 , , - , rowspan=2, 210Bi , rowspan=2, Radium E , rowspan=2 style="text-align:right" , 83 , rowspan=2 style="text-align:right" , 127 , rowspan=2, 209.9841204(16) , rowspan=2, 5.012(5) d , β , 210Po , rowspan=2, 1− , rowspan=2, TraceIntermediate decay product of 238U , rowspan=2, , - , α (1.32×10−4%) , 206Tl , - , style="text-indent:1em" , 210mBi , , colspan="3" style="text-indent:2em" , 271.31(11) keV , 3.04(6)×106 y , α , 206Tl , 9− , , , - , rowspan=2, 211Bi , rowspan=2, Actinium C , rowspan=2 style="text-align:right" , 83 , rowspan=2 style="text-align:right" , 128 , rowspan=2, 210.987269(6) , rowspan=2, 2.14(2) min , α (99.72%) , 207Tl , rowspan=2, 9/2− , rowspan=2, TraceIntermediate decay product of 235U , rowspan=2, , - , β (.276%) , 211Po , - , style="text-indent:1em" , 211mBi , , colspan="3" style="text-indent:2em" , 1257(10) keV , 1.4(3) μs , , , (25/2−) , , , - , rowspan=3, 212Bi , rowspan=3, Thorium C , rowspan=3 style="text-align:right" , 83 , rowspan=3 style="text-align:right" , 129 , rowspan=3, 211.9912857(21) , rowspan=3, 60.55(6) min , β (64.05%) , 212Po , rowspan=3, 1(−) , rowspan=3, TraceIntermediate decay product of 232Th , rowspan=3, , - , α (35.94%) , 208Tl , - , β, α (.014%) , 208Pb , - , rowspan=3 style="text-indent:1em" , 212m1Bi , rowspan=3, , rowspan=3 colspan="3" style="text-indent:2em" , 250(30) keV , rowspan=3, 25.0(2) min , α (67%) , 208Tl , rowspan=3, (9−) , rowspan=3, , rowspan=3, , - , β (33%) , 212mPo , - , β, α (.3%) , 208Pb , - , style="text-indent:1em" , 212m2Bi , , colspan="3" style="text-indent:2em" , 2200(200)# keV , 7.0(3) min , , , >16 , , , - , rowspan=2, 213Bi
Used in
medicine Medicine is the science and practice of caring for a patient, managing the diagnosis, prognosis, prevention, treatment, palliation of their injury or disease, and promoting their health. Medicine encompasses a variety of health care pract ...
such as for cancer treatment.
A byproduct of thorium reactors via 233U. , rowspan=2, , rowspan=2 style="text-align:right" , 83 , rowspan=2 style="text-align:right" , 130 , rowspan=2, 212.994385(5) , rowspan=2, 45.59(6) min , β (97.91%) , 213Po , rowspan=2, 9/2− , rowspan=2, TraceIntermediate decay product of 237Np , rowspan=2, , - , α (2.09%) , 209Tl , - , rowspan=3, 214Bi , rowspan=3, Radium C , rowspan=3 style="text-align:right" , 83 , rowspan=3 style="text-align:right" , 131 , rowspan=3, 213.998712(12) , rowspan=3, 19.9(4) min , β (99.97%) , 214Po , rowspan=3, 1− , rowspan=3, Trace , rowspan=3, , - , α (.021%) , 210Tl , - , β, α (.003%) , 210Pb , - , 215Bi , , style="text-align:right" , 83 , style="text-align:right" , 132 , 215.001770(16) , 7.6(2) min , β , 215Po , (9/2−) , Trace , , - , rowspan=2 style="text-indent:1em" , 215mBi , rowspan=2, , rowspan=2 colspan="3" style="text-indent:2em" , 1347.5(25) keV , rowspan=2, 36.9(6) s , IT (76.9%) , 215Bi , rowspan=2, (25/2−) , rowspan=2, , rowspan=2, , - , β (23.1%) , 215Po , - , 216Bi , , style="text-align:right" , 83 , style="text-align:right" , 133 , 216.006306(12) , 2.17(5) min , β , 216Po , (6-, 7-) , , , - , style="text-indent:1em" , 216mBi , , colspan="3" style="text-indent:2em" , 24(19) keV , 6.6(21) min , β , 216Po , 3-# , , , - , 217Bi , , style="text-align:right" , 83 , style="text-align:right" , 134 , 217.009372(19) , 98.5(8) s , β , 217Po , 9/2−# , , , - , style="text-indent:1em" , 217mBi , , colspan="3" style="text-indent:2em" , 1480(40) keV , 2.70(6) μs , IT , 217Bi , 25/2−# , , , - , 218Bi , , style="text-align:right" , 83 , style="text-align:right" , 135 , 218.014188(29) , 33(1) s , β , 218Po , (6-, 7-, 8-) , , , - , 219Bi , , style="text-align:right" , 83 , style="text-align:right" , 136 , 219.017480(210)# , 8.7(29) s , β , 219Po , 9/2-# , , , - , 220Bi , , style="text-align:right" , 83 , style="text-align:right" , 137 , 220.022350(320)# , 9.5(57) s , β , 220Po , 1-# , ,


References

* Isotope masses from: ** * Isotopic compositions and standard atomic masses from: ** ** * Half-life, spin, and isomer data selected from the following sources. ** ** ** {{Authority control Bismuth Bismuth